Sinister Barrier, Galaxy Science Fiction Novels, Number 1, 1950. Published by The Galaxy Publishing Corporation, 421 Hudson Street, New York 14, New York. Written by Edmond Hamilton. Dimensions are 5 1/2" width by 7 1/4" Height and 90grams, 164 pages. Copyright was issued in 1950, but no renewal was recorded, this work is Public Domain under Rule 6 of the Copyright Statutes of the United States. Etext created by Gerard Arthus. Digital work created by Gerard Arthus, any questions regarding this item should be directed to firstname.lastname@example.org. For more information see http://OpenEducation.org Go to the above site to find out more about the digitization of this item and the on-going attempt to help make 'Knowledge' and 'Information' available to everyone, anywhere, at any time, for no cost. There are many forces at work which are attempting to turn 'Public Domain' information into a commodity which some can milk for a profit. This parasitic use of information which should be freely available for all to access is an Intellectual Crime and should not be tolerated. Hi-resolution images included.